Home / 22,210.29-33,315.41-11,105.79

Finding the Fourth Proportional to 22,210.29, 33,315.41 and 11,105.79

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Solution

The fourth proportional to 22,210.29, 33,315.41 and 11,105.79 is: 16,658.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,210.29 : 33,315.41 = 11,105.79 : x
  2. Step 2: Convert to fraction form
    22,210.29/33,315.41 = 11,105.79/x
  3. Step 3: Cross multiply
    22,210.29x = 33,315.41 × 11,105.79
  4. Step 4: Simplify right side
    22,210.29x = 369,993,891.69
  5. Step 5: Solve for x
    x = 369,993,891.69/22,210.29
  6. Step 6: Final answer
    x = 16,658.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.